The Seiko 7N42-0A10 is a watch model based on the 7N42 movement.
Parts List
| 320A06JR02 | crystal |
| 8M45A4NNG1 | crown - crown |
| 0E320NA1S | case back gasket |
| 0E320BA1S | case back gasket - case back gasket |
| B1785K | band |
| B1785G | band |
| 2AD130S0BNB | others - minute hand |
| 1AD095SMBNB | others - hour hand |
| 3AX135F0ANB | others - second hand |
| 0351892 | others - winding stem |
| 7N420A1026Z | others - case |
| 82834520 | others - case ring |
| 7N420A10 | others - case back |
| 0878621 | others - date dial |
| 0878623 | others - date dial |
| 7N420A1026 | others - case |
| 7N420A10XG19 | others - dial |
| 7N420A10XS19 | others - dial |
| 7N420A18XG19 | others - dial |
| 7N420A18XS19 | others - dial |
| 7N423 | others - machine code |
| B1785G-EPG | others - endpiece |
| B1785K-EPG | others - endpiece |
| AD006BA12 | others - crown gasket |